Exposure
ID
PIONI.2025-06-01T03:07:09.825_1
Header ID
PIONI.2025-06-01T03:07:09.825
Date updated
2025-06-01 03:16:34 UTC+0000
Release date
2026-06-01 03:16:34 UTC+0000
UTC Start
2025-06-01 03:07:09.826
UTC End
2025-06-01 03:07:35.426
MJD Start
60827.1299748342
MJD End
60827.130271130496
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009512
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.29
Observation
ID
67666
Category
science
Program ID
115.285P.001
Program Title
A SUB-PERCENT GEOMETRICAL LMC DISTANCE MEASUREMENT
Program Type
Normal
PI / COI
PIETRZYNSKI / GALLENNE / GRACZYK / HAJDU / GIEREN
Target
ID
50319
Name
HIP89587
RA
274.220794
DEC
-3.00895
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.0790 48.0910 143.3000 143.3000
A0-J2 87.8560 88.1040 90.5000 90.5000
A0-J6 143.5740 143.5780 0.8330 0.9360
B5-J2 70.1410 70.3330 57.4000 57.6000
B5-J6 184.0460 184.0150 351.6770 351.7520
J2-J6 167.9150 167.9200 329.2920 329.2970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60827.1299748342
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HIP89587
RA 274.220794
DEC -3.00895
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 48.079
HIERARCH ESO ISS PBL12 END 48.091
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 87.856
HIERARCH ESO ISS PBL13 END 88.104
HIERARCH ESO ISS PBLA13 START 90.5
HIERARCH ESO ISS PBLA13 END 90.5
HIERARCH ESO ISS PBL14 START 143.574
HIERARCH ESO ISS PBL14 END 143.578
HIERARCH ESO ISS PBLA14 START 0.833
HIERARCH ESO ISS PBLA14 END 0.936
HIERARCH ESO ISS PBL23 START 70.141
HIERARCH ESO ISS PBL23 END 70.333
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 184.046
HIERARCH ESO ISS PBL24 END 184.015
HIERARCH ESO ISS PBLA24 START 351.677
HIERARCH ESO ISS PBLA24 END 351.752
HIERARCH ESO ISS PBL34 START 167.915
HIERARCH ESO ISS PBL34 END 167.92
HIERARCH ESO ISS PBLA34 START 329.292
HIERARCH ESO ISS PBLA34 END 329.297
HIERARCH ESO ISS AMBI TAU0 START 0.009512
HIERARCH ESO ISS AMBI TAU0 END 0.009512
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.29